Flexible cover for a calculator



FIG. 1 is a front view of a flexible cover for a calculator;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a rear elevation view thereof, shown with a portion bent outwards; and,

FIG. 5 is a bottom view thereof. 

CLAIM The ornamental design for a flexible cover for a calculator, as shown and described. 